Yes. The Quran says there is no compulsion in religion, and that truth stands clear from error. A person cannot be forced to become Muslim, and a person's faith is judged by God, not by people.
The fuller answer
The Quran tells the Prophet ﷺ that he is only a reminder and is not a controller over people, and it states that if God had willed, all the people of the earth would have believed, and asks whether he would force them. A forced belief is not accepted in Islam, because faith is a matter of the heart.
In history, Jewish and Christian communities lived under Muslim rule for centuries with their own courts, churches and synagogues, and the early biographies of the Prophet ﷺ record a treaty of protection that he gave to the Christians of Najran. History also has bad cases of intolerance, as in every society. Muslims hold that these cases are against what the Quran teaches.
There shall be no compulsion in [acceptance of] the religion. The right course has become clear from the wrong. So whoever disbelieves in Taghut and believes in Allah has grasped the most trustworthy handhold with no break in it. And Allah is Hearing and Knowing.
And had your Lord willed, those on earth would have believed - all of them entirely. Then, [O Muhammad], would you compel the people in order that they become believers?
This answer follows the mainstream Sunni understanding and is general learning, not a fatwa. Where Muslims differ, the answer says so. Have a question of your own? Write to us.